Lewiston Flag

Lewiston

County Seat:
Yes
Area (mi²):
17.469
State:
Idaho

Lewiston is a city located in Nez Perce County, Idaho. Lewiston has a 2025 population of 35,230. It is also the county seat of Nez Perce CountyLewiston is currently growing at a rate of 0.56% annually and its population has increased by 2.88% since the most recent census, which recorded a population of 34,245 in 2020.

The average household income in Lewiston is $90,055 with a poverty rate of 13.32%.The median age in Lewiston is 39.7 years: 38.9 years for males, and 40.1 years for females.

35.2K
Total Population
2,017
Density (mi²)
197 0.56%
Growth

Lewiston Population

Demographics

Economics and Income Statistics

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)